java - Removing spaces between letters and double spaces between words -

i need remove spaces between letters , make double spaces single spaces between words.

so (double spaces between words):

h e l l o m y n m e s b o b

will need become this:

hello name bob

i've tried
temp = "h e l l o m y n m e s b o b"
temp = temp.trim().replaceall("\\s", "");
removes spaces.

i managed make work doing:
temp = temp.replace(" ", ".");
temp = temp.replace(" ", "");
temp = temp.replace(".", " ");
simpler way of doing it.

you should use regex \s(?!\s). says space doesn't have space after it.

this used this:

temp =  "h e l l o  m y  n m e  s  b o b"; temp = temp.replaceall("\\s(?!\\s)", ""); system.out.println(temp); 

outputs: hello name bob

hope helps :)